{"id":"CVE-2012-3406","state":"PUBLISHED","title":"The vfprintf function in stdio-common/vfprintf.c in GNU C Library (aka glibc) 2.5, 2.12, and probably other versions does not \"properly restrict the use of\" the alloca function whe","description":"The vfprintf function in stdio-common/vfprintf.c in GNU C Library (aka glibc) 2.5, 2.12, and probably other versions does not \"properly restrict the use of\" the alloca function when allocating the SPECS array, which allows context-dependent attackers to bypass the FORTIFY_SOURCE format-string protection mechanism and cause a denial of service (crash) or possibly execute arbitrary code via a crafted format string using positional parameters and a large number of format specifiers, a different vulnerability than CVE-2012-3404 and CVE-2012-3405.","publishedAt":"2014-02-10T17:00:00.000Z","updatedAt":"2024-08-06T20:05:12.465Z","severity":null,"assigner":"redhat","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["http://rhn.redhat.com/errata/RHSA-2012-1200.html","https://bugzilla.redhat.com/show_bug.cgi?id=826943","http://rhn.redhat.com/errata/RHSA-2012-1097.html","https://security.gentoo.org/glsa/201503-04","http://rhn.redhat.com/errata/RHSA-2012-1098.html","http://www.ubuntu.com/usn/USN-1589-1","http://rhn.redhat.com/errata/RHSA-2012-1185.html","http://www.openwall.com/lists/oss-security/2012/07/11/17","https://bugzilla.redhat.com/attachment.cgi?id=594722"],"weaknesses":[],"ingestedAt":"2026-10-29T19:40:22.572Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2012/3xxx/CVE-2012-3406.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2012-3406","state":"PUBLISHED","datePublished":"2014-02-10T17:00:00.000Z","dateUpdated":"2024-08-06T20:05:12.465Z","assignerShortName":"redhat","assignerOrgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","dateReserved":"2012-06-14T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"The vfprintf function in stdio-common/vfprintf.c in GNU C Library (aka glibc) 2.5, 2.12, and probably other versions does not \"properly restrict the use of\" the alloca function when allocating the SPECS array, which allows context-dependent attackers to bypass the FORTIFY_SOURCE format-string protection mechanism and cause a denial of service (crash) or possibly execute arbitrary code via a crafted format string using positional parameters and a large number of format specifiers, a different vulnerability than CVE-2012-3404 and 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